A spatially resolved study of ionized regions in galaxies at different ...

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Contents List of Figures List of Tables v ix 1 • Introduction 1 1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1.1 Giant Extragalactic Hii regions . . . . . . . . . . . . . . . . . . . . . . 2 1.1.2 Hii Galaxies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 Aims and structure of this work . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2 • The star formation history of NGC 5471 from cluster and resolved stellar photometry 11 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.2 Observations and Data Reduction . . . . . . . . . . . . . . . . . . . . . . . . 13 2.2.1 GALEX data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.2.2 HST/WFPC2 Imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.2.3 Near-infrared photometry . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.3 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.3.1 Cluster Photometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.3.2 Resolved Stellar Photometry . . . . . . . . . . . . . . . . . . . . . . . 24 2.4 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2.4.1 Cluster Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 2.4.2 CMD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3 • Integral Field Spectroscopy of Hii region complexes. The outer disk of NGC 6946 39 3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.2 Observations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.3 Data Reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.3.1 Pre-reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 i
Page 1: Facultad de Ciencias Departamento d
Page 5: A Abigaíl, mi ut A mi familia, por
Page 8 and 9: La gente del grupo de Astrofísica
Page 12 and 13: ii CONTENTS 3.3.2 Identification of
Page 15 and 16: List of Figures 1.1 Sample of diffe
Page 17: LIST OF FIGURES vii 4.17 Oxygen abu
Page 20 and 21: x LIST OF TABLES 4.3 Relative obser
Page 22 and 23: 2 1 • Introduction The origin of
Page 24 and 25: 4 1 • Introduction Object Galaxy
Page 26 and 27: 6 1 • Introduction Figure 1.2: Co
Page 28 and 29: 8 1 • Introduction velocities int
Page 31 and 32: Chapter 2 The star formation histor
Page 33 and 34: 2.2. Observations and Data Reductio
Page 39 and 40: 2.3. Results 19 images as reference
Page 41 and 42: 2.3. Results 21 Aperture J H K s m
Page 43 and 44: 2.3. Results 23 Aperture R eff F(H
Page 45 and 46: 2.3. Results 25 We selected “good
Page 47 and 48: 2.3. Results 27 Figure 2.7: Deconta
Page 49 and 50: 2.4. Discussion 29 19 20 NGC 5471 (
Page 51 and 52: 2.4. Discussion 31 1e−13 7 1 6 F(
Page 53 and 54: 2.4. Discussion 33 formation event
Page 55 and 56: 2.4. Discussion 35 are some traces
Page 57 and 58: 2.4. Discussion 37 19 600 20 400 m
Page 59 and 60: Chapter 3 Integral Field Spectrosco
Page 61 and 62:
3.1. Introduction 41 Figure 3.1: Co
Page 63 and 64:
3.2. Observations 43 Figure 3.2: La
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3.3. Data Reduction 45 250 200 150
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3.3. Data Reduction 47 FlatFielding
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3.3. Data Reduction 49 Figure 3.6:
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3.3. Data Reduction 51 1600 1400 OH
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3.3. Data Reduction 53 by performin
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3.3. Data Reduction 55 2 1 7 37 19
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3.3. Data Reduction 57 is required.
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3.3. Data Reduction 59 compulsory.
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3.3. Data Reduction 61 strong absor
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3.4. Results 63 x-coordinate (pixel
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3.4. Results 65 8 8 7 7 ◦A−1 )
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3.4. Results 67 emission line, usin
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60¡DEC (arcsec) 3.4. Results 69 B
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3.4. Results 71 60¡DEC (arcsec) 50
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3.4. Results 73 c(Hβ) 60¡DEC (arc
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3.4. Results 75 3.4.6 Ionization st
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60¡DEC (arcsec) 60¡DEC (arcsec) 6
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3.4. Results 79 to become a WR star
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3.4. Results 81 ID log L(bb) I(bb)
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3.4. Results 83 ◦A−1 ) s−1 Fl
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3.4. Results 85 ◦A−1 ) s−1 Fl
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3.4. Results 87 Knot A Knot B λ (
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3.4. Results 89 correction, and we
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3.4. Results 91 PPak-field Knot A K
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3.5. Discussion 93 PPak-field Knot
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3.5. Discussion 95 20 15 EW(WR)(◦
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3.5. Discussion 97 photoionization
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3.5. Discussion 99 defined by Vilch
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3.5. Discussion 101 1.0 0.8 0.6 0.4
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3.5. Discussion 103 0.6 0.4 log([NI
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Chapter 4 Long-slit spectrophotomet
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4.2. Observations and reduction 107
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Page 131 and 132:
Page 133 and 134:
4.3. Results 113 Flux (erg cm -2 s
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Hδ 4.3. Results 115 ◦A−1 ) s
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4.3. Results 117 4e-15 3,5e-15 [OII
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4.3. Results 119 Knot A B C D EW(H
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4.3. Results 121 the uncertainties
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Table 4.4: Relative reddening corre
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Table 4.4 continued SDSS J1657 Knot
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4.3. Results 127 4.3.3 Chemical abu
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4.3. Results 129 and the N/H ratio
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4.4. Discussion 131 IIZw71 Knot B I
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4.4. Discussion 133 2.2 2.0 HII Gal
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4.4. Discussion 135 same region and
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4.4. Discussion 137 -0.6 -0.8 HII G
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4.4. Discussion 139 to giant Hii re
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4.4. Discussion 141 8.4 A B C 8.4 A
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4.4. Discussion 143 mass fraction (
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4.4. Discussion 145 ID A(V) c(Hβ)
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4.4. Discussion 147 which is wider
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Chapter 5 Conclusions and future wo
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Conclusions and future work 151 mix
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Conclusions and future work 153 Fig
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CONCLUSIONES En esta tesis se han e
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Conclusiones 157 de flujo combinado
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Appendix A Interstellar Reddening C
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Appendix B Physical conditions of t
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B • Physical conditions of the ga
Page 185 and 186:
Page 187:
Page 190 and 191:
170 Appendix C where x = log O 23 a
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172 Appendix C where x = log Ar 3 O
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174 Appendix D · · · continued f
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Page 200 and 201:
Page 202 and 203:
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Page 209 and 210:
References Allende Prieto, C., Lamb
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REFERENCES 191 Denicoló, G., Terle
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REFERENCES 193 Hunter, D. A. & Thro
Page 215 and 216:
REFERENCES 195 Mayall, N. U. 1948,
Page 217 and 218:
REFERENCES 197 Shaw, R. A. & Dufour
Page 219:
REFERENCES 199 Zeippen, C. J. 1982,
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